{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["hyponym of", "part of", "used for"], "input": "The nonlinear scale space is built using efficient Additive Operator Splitting -LRB- AOS -RRB- techniques and variable con-ductance diffusion ."}
{"hyponym of": [], "part of": [], "used for": [{"subject": "Additive Operator Splitting -LRB- AOS -RRB- techniques", "object": "nonlinear scale space"}, {"subject": "variable con-ductance diffusion", "object": "nonlinear scale space"}]}